638285760

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{4523}}^1$

素因数の和:4560

約数の個数: 252

約数和(自身を含む): 2554440408

約数和(自身を除く): 1916154648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4523, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9046, 9408, 10080, 11760, 13569, 14112, 15680, 17640, 18092, 20160, 22615, 23520, 27138, 28224, 31661, 35280, 36184, 40707, 45230, 47040, 54276, 63322, 67845, 70560, 72368, 81414, 90460, 94983, 108552, 126644, 135690, 141120, 144736, 158305, 162828, 180920, 189966, 203535, 217104, 221627, 253288, 271380, 284949, 289472, 316610, 325656, 361840, 379932, 407070, 434208, 443254, 474915, 506576, 542760, 569898, 633220, 651312, 664881, 723680, 759864, 814140, 868416, 886508, 949830, 1013152, 1085520, 1108135, 1139796, 1266440, 1302624, 1329762, 1424745, 1447360, 1519728, 1628280, 1773016, 1899660, 1994643, 2026304, 2171040, 2216270, 2279592, 2532880, 2605248, 2659524, 2849490, 3039456, 3256560, 3324405, 3546032, 3799320, 3989286, 4342080, 4432540, 4559184, 5065760, 5319048, 5698980, 6078912, 6513120, 6648810, 7092064, 7598640, 7978572, 8865080, 9118368, 9973215, 10131520, 10638096, 11397960, 13026240, 13297620, 14184128, 15197280, 15957144, 17730160, 18236736, 19946430, 21276192, 22795920, 26595240, 30394560, 31914288, 35460320, 39892860, 42552384, 45591840, 53190480, 63828576, 70920640, 79785720, 91183680, 106380960, 127657152, 159571440, 212761920, 319142880, 638285760]

約数ペア:

[(1, 638285760), (2, 319142880), (3, 212761920), (4, 159571440), (5, 127657152), (6, 106380960), (7, 91183680), (8, 79785720), (9, 70920640), (10, 63828576), (12, 53190480), (14, 45591840), (15, 42552384), (16, 39892860), (18, 35460320), (20, 31914288), (21, 30394560), (24, 26595240), (28, 22795920), (30, 21276192), (32, 19946430), (35, 18236736), (36, 17730160), (40, 15957144), (42, 15197280), (45, 14184128), (48, 13297620), (49, 13026240), (56, 11397960), (60, 10638096), (63, 10131520), (64, 9973215), (70, 9118368), (72, 8865080), (80, 7978572), (84, 7598640), (90, 7092064), (96, 6648810), (98, 6513120), (105, 6078912), (112, 5698980), (120, 5319048), (126, 5065760), (140, 4559184), (144, 4432540), (147, 4342080), (160, 3989286), (168, 3799320), (180, 3546032), (192, 3324405), (196, 3256560), (210, 3039456), (224, 2849490), (240, 2659524), (245, 2605248), (252, 2532880), (280, 2279592), (288, 2216270), (294, 2171040), (315, 2026304), (320, 1994643), (336, 1899660), (360, 1773016), (392, 1628280), (420, 1519728), (441, 1447360), (448, 1424745), (480, 1329762), (490, 1302624), (504, 1266440), (560, 1139796), (576, 1108135), (588, 1085520), (630, 1013152), (672, 949830), (720, 886508), (735, 868416), (784, 814140), (840, 759864), (882, 723680), (960, 664881), (980, 651312), (1008, 633220), (1120, 569898), (1176, 542760), (1260, 506576), (1344, 474915), (1440, 443254), (1470, 434208), (1568, 407070), (1680, 379932), (1764, 361840), (1960, 325656), (2016, 316610), (2205, 289472), (2240, 284949), (2352, 271380), (2520, 253288), (2880, 221627), (2940, 217104), (3136, 203535), (3360, 189966), (3528, 180920), (3920, 162828), (4032, 158305), (4410, 144736), (4523, 141120), (4704, 135690), (5040, 126644), (5880, 108552), (6720, 94983), (7056, 90460), (7840, 81414), (8820, 72368), (9046, 70560), (9408, 67845), (10080, 63322), (11760, 54276), (13569, 47040), (14112, 45230), (15680, 40707), (17640, 36184), (18092, 35280), (20160, 31661), (22615, 28224), (23520, 27138)]